AU634425B2 - Speech detection circuit - Google Patents

Speech detection circuit

Info

Publication number
AU634425B2
AU634425B2 AU85790/91A AU8579091A AU634425B2 AU 634425 B2 AU634425 B2 AU 634425B2 AU 85790/91 A AU85790/91 A AU 85790/91A AU 8579091 A AU8579091 A AU 8579091A AU 634425 B2 AU634425 B2 AU 634425B2
Authority
AU
Australia
Prior art keywords
detection circuit
speech detection
speech
circuit
detection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU85790/91A
Other versions
AU8579091A (en
Inventor
Masahiro Aota
Toshihiro Ibuka
Noriyoshi Komatsu
Seiji Komatsuda
Yoshihiro Matsumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Publication of AU8579091A publication Critical patent/AU8579091A/en
Application granted granted Critical
Publication of AU634425B2 publication Critical patent/AU634425B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Transmitters (AREA)
AU85790/91A 1990-10-16 1991-10-11 Speech detection circuit Ceased AU634425B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2-277433 1990-10-16
JP2277433A JPH04152719A (en) 1990-10-16 1990-10-16 Voice detecting circuit

Publications (2)

Publication Number Publication Date
AU8579091A AU8579091A (en) 1992-06-04
AU634425B2 true AU634425B2 (en) 1993-02-18

Family

ID=17583496

Family Applications (1)

Application Number Title Priority Date Filing Date
AU85790/91A Ceased AU634425B2 (en) 1990-10-16 1991-10-11 Speech detection circuit

Country Status (5)

Country Link
US (1) US5371800A (en)
JP (1) JPH04152719A (en)
AU (1) AU634425B2 (en)
CA (1) CA2053124C (en)
GB (1) GB2251362B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5377272A (en) * 1992-08-28 1994-12-27 Thomson Consumer Electronics, Inc. Switched signal processing circuit
JP3237405B2 (en) * 1994-07-20 2001-12-10 株式会社デンソー Starting method of mobile communication device, mobile communication device and fixed communication device
US5832440A (en) 1996-06-10 1998-11-03 Dace Technology Trolling motor with remote-control system having both voice--command and manual modes
JP3180711B2 (en) * 1997-04-21 2001-06-25 日本電気株式会社 Gain control device
US6317119B1 (en) 1998-11-13 2001-11-13 Creative Technology Ltd Speed-compensated joystick
US9185487B2 (en) 2006-01-30 2015-11-10 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction
US8849231B1 (en) 2007-08-08 2014-09-30 Audience, Inc. System and method for adaptive power control

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2312934A (en) * 1938-02-01 1943-03-02 Socony Vacuum Oil Co Inc Gain control for seismograph amplifiers
US2249181A (en) * 1938-07-02 1941-07-15 Rca Corp Automatic gain expander circuit
US2316354A (en) * 1940-01-18 1943-04-13 Stanolind Oil & Gas Co Gain control
US3873926A (en) * 1974-05-03 1975-03-25 Motorola Inc Audio frequency squelch system
US4044309A (en) * 1974-07-18 1977-08-23 Narco Scientific Industries, Inc. Automatic squelch circuit with hysteresis
US4119797A (en) * 1977-06-29 1978-10-10 Technology Development Corporation Voice operated switch having an activation level which is higher than its sustaining level
US4442407A (en) * 1982-06-11 1984-04-10 The United States Of America As Represented By The Secretary Of The Army Two loop automatic level control for power amplifier
JPS59108358U (en) * 1982-07-27 1984-07-21 宮田　慎太郎 Automatic voice transmission/reception switching device for ear canal shaped handset
JPS6161345A (en) * 1984-08-31 1986-03-29 Univ Kyoto Whole accelerator with magnetron auxiliary discharge
US4741018A (en) * 1987-04-24 1988-04-26 Motorola, Inc. Speakerphone using digitally compressed audio to control voice path gain
US5126688A (en) * 1990-03-20 1992-06-30 Oki Electric Co., Ltd. Power amplifying apparatus for wireless transmitter

Also Published As

Publication number Publication date
US5371800A (en) 1994-12-06
JPH04152719A (en) 1992-05-26
GB9121310D0 (en) 1991-11-20
GB2251362A (en) 1992-07-01
AU8579091A (en) 1992-06-04
GB2251362B (en) 1994-08-31
CA2053124C (en) 1996-04-09
CA2053124A1 (en) 1992-04-17

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired